Described herein is a multi-component panel comprising a ceiling panel and a sound attenuation layer, as well as a ceiling system that includes the multi-component panel.
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1. A method of installing a ceiling system comprising: a) mounting a first ceiling panel to a support grid, the first ceiling panel formed of a sound absorbing material and having an upper major surface opposite a lower major surface, the upper major surface of the first ceiling panel facing a plena
1. A method of installing a ceiling system comprising: a) mounting a first ceiling panel to a support grid, the first ceiling panel formed of a sound absorbing material and having an upper major surface opposite a lower major surface, the upper major surface of the first ceiling panel facing a plenary space that is formed above the support grid, wherein the first ceiling panel has an NRC value of at least 0.9; andb) subsequently positioning a first sound attenuation layer in a free-floating relationship atop the upper major surface of the first ceiling panel, wherein the first sound attenuation layer has a CAC value of at least 37, thereby forming a first multi-component panel having a CAC value of at least 40 and an NRC value of at least 0.95. 2. The method according to claim 1, wherein the upper major surface of the first ceiling panel has a length and a width and the first sound attenuation layer has a length and a width, wherein the length of the upper major surface of the first ceiling panel is substantially equal to the length of the first sound attenuation layer and the width of the upper major surface of the first ceiling panel is substantially equal to the width of the first sound attenuation layer. 3. The method according to claim 1, wherein the upper major surface of the first ceiling panel has a length and a width and the sound attenuation layer has a length and a width, wherein at least one of the length of the upper major surface of the first ceiling panel is greater than the length of the sound attenuation layer or the width of the upper major surface of the first ceiling panel is greater than the width of the sound attenuation layer. 4. The method according to claim 1, further comprising: prior to step b): providing a sound attenuation sheet having a length greater than a length of the first ceiling panel;cutting the first sound attenuation layer from the sound attenuation sheet, wherein the first sound attenuation layer has a length that is substantially equal to the length of the ceiling panel. 5. The method according to claim 1, wherein the first sound attenuation layer has a CAC value of at least 40 and an NRC value of at least 0.65, prior to being positioned atop the first ceiling panel. 6. The method according to claim 1, wherein the first sound attenuation layer has a lower major surface, and wherein upon completion of step b), the only coupling between the lower surface of the first sound attenuation layer and the upper major surface of the first ceiling panel is surface contact between the lower surface of the first sound attenuation layer and the upper major surface of the first ceiling panel resulting from gravitation pull on the first sound attenuation layer. 7. The method according to claim 1, wherein the support grid comprises a plurality of intersecting struts forming a plurality of openings and wherein the first one of the openings is defined by sections of opposing first ones of the intersecting struts and sections of opposing second ones of the intersecting struts; and wherein each of the first ceiling panel and the first sound attenuation layer are circumscribed by the sections of the first and second ones of the struts. 8. The method according to claim 7, wherein upon completion of step b), a surface contact interface is formed between a lower surface of the first sound attenuation layer and the upper major surface of the first ceiling panel; wherein each of the sections of the first and second ones of the struts comprises a web portion; and wherein upon completion of step b), the web portions of each of the sections of the first and second ones of the struts extend above the surface contact interface. 9. The method according to claim 7, wherein upon completion of step b), a surface contact interface is formed between a lower surface of the first sound attenuation layer and the upper surface of the first ceiling panel; wherein each of the sections of the first and second ones of the struts comprises a web portion; and wherein upon completion of step b), the web portions of each of the sections of the first and second ones of the struts are lower than the surface contact interface. 10. The method according to claim 1, further comprising: prior to step b), mounting a second ceiling panel to the support grid within a second one of the openings, the second one of the openings being adjacent the first one of the openings, the second ceiling panel formed of the sound absorbing material and having an upper major surface and a lower major surface that is opposite the upper major surface of the second ceiling panel, the upper major surface of the second ceiling panel facing the plenary space; andwherein step b) further comprises positioning the first sound attenuation layer in a free-floating relationship atop the upper major surface of the second ceiling panel, thereby forming a second multi-component panel having a CAC value greater than 37. 11. A method of installing a ceiling system comprising: a) providing a first ceiling panel having an upper major surface opposite a lower major surface, wherein the first ceiling panel has an NRC value of at least 0.9;b) subsequent to step b), overlaying a first sound attenuation layer in a free-floating relationship on the upper major surface of the first ceiling panel, wherein the first sound attenuation layer has a CAC value of at least 37, thereby forming a multi-component panel having a CAC value of at least 40 and an NRC value of at least 0.95; andc) subsequent to step b), mounting the multi-component panel to a support grid within an internal space of a building such that the upper major surface of the first ceiling panel is facing a plenary space that is formed above the support grid. 12. The method according to claim 11, wherein the upper major surface of the first ceiling panel has a length and a width and the first sound attenuation layer has a length and a width, wherein the length of the upper major surface of the first ceiling panel is substantially equal to the length of the first sound attenuation layer and the width of the upper major surface of the first ceiling panel is substantially equal to the width of the first sound attenuation layer. 13. The method according to claim 11, wherein the upper major surface of the first ceiling panel has a length and a width and the first sound attenuation layer has a length and a width, wherein at least one of the length of the upper major surface of the first ceiling panel is greater than the length of the first sound attenuation layer or the width of the upper major surface of the first ceiling panel is greater than the width of the first sound attenuation layer. 14. The method according to claim 11, wherein the first sound attenuation layer has a CAC value of at least 40 and an NRC value of at least 0.65, prior to being positioned atop the first ceiling panel. 15. The method according to claim 11, wherein the first ceiling panel has an NRC value of at least 0.95, prior to the first sound attenuation layer being positioned atop the first ceiling panel. 16. The method according to claim 11, wherein the first sound attenuation layer has a lower surface, and wherein upon completion of step b), the only coupling between the lower surface of the first sound attenuation layer and the upper major surface of the first ceiling panel is surface contact between the lower surface of the first sound attenuation layer and the upper major surface of the first ceiling panel resulting from gravitation pull on the first sound attenuation layer. 17. The method according to claim 11, wherein the support grid comprises a plurality of intersecting struts forming a plurality of openings and wherein the first one of the openings is defined by sections of opposing first ones of the intersecting struts and sections of opposing second ones of the intersecting struts; and wherein subsequent to step c) each of the first ceiling panel and the first sound attenuation layer are circumscribed by the sections of the first and second ones of the struts. 18. The method according to claim 11, wherein the support grid comprises a plurality of intersecting struts forming a plurality of openings and wherein upon completion of step b), a surface contact interface is formed between a lower surface of the first sound attenuation layer and the upper major surface of the first ceiling panel; wherein each of the sections of the first and second ones of the struts comprises a web portion; and wherein subsequent to step c), the web portions of each of the sections of the first and second ones of the struts extend above the surface contact interface. 19. The method according to claim 11, wherein upon completion of step b), a surface contact interface is formed between a lower surface of the first sound attenuation layer and the upper major surface of the first ceiling panel; wherein each of the sections of the first and second ones of the struts comprises a web portion; and wherein upon completion of step d), the web portions of each of the sections of the first and second ones of the struts are lower than the surface contact interface. 20. A ceiling system comprising: a support grid within an internal space of a building so that a plenary space is formed above the support grid and an active room environment is formed below the support grid, the support grid comprising a plurality of intersecting struts forming a plurality of openings;a first ceiling panel mounted to the support grid within a first one of the openings, the first ceiling panel formed of a sound absorbing material and having an upper major surface and a lower major surface that is opposite the upper major surface of the first ceiling panel, the upper major surface of the first ceiling panel facing the plenary space, wherein the first ceiling panel has an NRC value of at least 0.9; anda first sound attenuation layer positioned in a free-floating relationship atop the upper major surface of the first ceiling panel, wherein the first sound attenuation layer has a CAC value of at least 37, thereby forming a first multi-component panel having a CAC value of at least 40 and an NRC value of at least 0.95.
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이 특허에 인용된 특허 (9)
Surace, Kevin J.; Porat, Marc U.; Tinianov, Brandon D.; Golden, Matthew V., Acoustical ceiling panels.
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